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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Qiao Jian-hua Li Lin-sheng Zhang Jing-gang |
| Copyright Year | 2008 |
| Description | Author affiliation: Taiyuan Univ. of Sci. & Technol., Taiyuan (Qiao Jian-hua; Li Lin-sheng; Zhang Jing-gang) |
| Abstract | The rail surface crack-detecting system was designed for reducing railway accident due to rail crack. The system adopts linear charge coupled device (CCD) TCD1208AP as image sensor, uses high-speed flash A/D converter AD7821 to collect CCD output video signals, and uses CPLD perform CCD timing generator, A/D converter timing generator, data storage and other control logic. Then DSP executes the image processing, such as noises elimination, edges detection, image segmentation and edges linking, used the improved classical algorithm and morphology algorithm to judge whether the signals are the crack signals or not, and gives display and alarm with sound and light. The whole hardware structure and the software design are introduced in this paper. By experiment, the detecting precision and effectiveness of the system are good for detecting the rail surface crack. |
| Starting Page | 1626 |
| Ending Page | 1631 |
| File Size | 808951 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424416851 |
| DOI | 10.1109/ICNSC.2008.4525481 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-04-06 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Rails Surface cracks Charge coupled devices Sensor systems Surface morphology Image edge detection Image converters Timing Signal generators Signal processing |
| Content Type | Text |
| Resource Type | Article |
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